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143 lines
4.4 KiB
143 lines
4.4 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBGRAPHICSTRIANGLE_H_
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#define UBGRAPHICSTRIANGLE_H_
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#include <QtGui>
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#include <QtSvg>
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#include <QGraphicsPolygonItem>
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#include "core/UB.h"
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#include "domain/UBItem.h"
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#include "tools/UBAbstractDrawRuler.h"
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class UBGraphicsScene;
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class UBItem;
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class UBGraphicsTriangle : public UBAbstractDrawRuler, public QGraphicsPolygonItem, public UBItem
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{
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Q_OBJECT;
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public:
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UBGraphicsTriangle();
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virtual ~UBGraphicsTriangle();
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enum { Type = UBGraphicsItemType::TriangleItemType };
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virtual int type() const
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{
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return Type;
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}
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virtual UBItem* deepCopy(void) const;
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enum UBGraphicsTriangleOrientation
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{
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BottomLeft = 0,
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BottomRight,
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TopLeft,
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TopRight
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};
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static UBGraphicsTriangleOrientation orientationFromStr(QStringRef& str)
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{
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if (str == "BottomLeft") return BottomLeft;
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if (str == "BottomRight") return BottomRight;
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if (str == "TopLeft") return TopLeft;
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if (str == "TopRight") return TopRight;
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return sDefaultOrientation;
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}
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void setRect(const QRectF &rect, UBGraphicsTriangleOrientation orientation)
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{
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setRect(rect.x(), rect.y(), rect.width(), rect.height(), orientation);
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}
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void setRect(qreal x, qreal y, qreal w, qreal h, UBGraphicsTriangleOrientation orientation);
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void setOrientation(UBGraphicsTriangleOrientation orientation);
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QRectF rect() const {return boundingRect();}
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UBGraphicsScene* scene() const;
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protected:
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void updateResizeCursor();
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virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget);
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virtual void rotateAroundCenter(qreal angle);
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virtual QPointF rotationCenter() const;
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virtual QRectF closeButtonRect() const;
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QPolygonF resize1Polygon() const;
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QPolygonF resize2Polygon() const;
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QRectF hFlipRect() const;
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QRectF vFlipRect() const;
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QRectF rotateRect() const;
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QCursor resizeCursor1() const;
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QCursor resizeCursor2() const;
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QCursor flipCursor() const;
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
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private:
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QCursor mResizeCursor1;
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QCursor mResizeCursor2;
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QTransform calculateRotationTransform();
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qreal angle;
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void rotateAroundCenter(QTransform& transform, QPointF center);
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bool mResizing1;
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bool mResizing2;
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bool mRotating;
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QRect lastRect;
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QPoint lastPos;
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QGraphicsSvgItem* mHFlipSvgItem;
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QGraphicsSvgItem* mVFlipSvgItem;
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QGraphicsSvgItem* mRotateSvgItem;
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static const QRect sDefaultRect;
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static const UBGraphicsTriangleOrientation sDefaultOrientation;
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void paintGraduations(QPainter *painter);
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UBGraphicsTriangleOrientation mOrientation;
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QPointF A1, B1, C1, A2, B2, C2; // coordinates of points in ext and int triangles
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qreal C;
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qreal W1, H1; // Neccessary for filling
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QPointF CC; // Hyp. fillining gradient - top point
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void calculatePoints(const QRectF& rect);
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static const int d = 70; // width of triangle border
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static const int sArrowLength = 30;
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static const int sMinWidth = 380;
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static const int sMinHeight = 200;
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};
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#endif /* UBGRAPHICSTRIANGLE_H_ */
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